Hairy galinsoga – Galinsoga quadriradiata

Hairy galinsoga leaf

Hairy galinsoga leaf

Hairy galinsoga flower

Hairy galinsoga flower

Hairy galinsoga plant

Hairy galinsoga plant

Hairy galinsoga

Galinsoga quadriradiata Cav.
Asteraceae (Aster family)

Life cycle
Prolific, seed-producing summer annual.

Leaves
Opposite, egg-shaped to triangular leaves with coarsely toothed margins, sharp tips and densely hairy upper leaf surfaces.

Stems
Erect with multiple, opposite branching stems. They are up to 2 feet tall and covered with coarse hairs.

Flowers and fruit
Numerous small flower heads are formed in terminal and axillary clusters. Each head has four to five white, three-toothed ray flowers and centers with numerous yellow disk flowers. The seed is enclosed in a single-seeded, brown to black, wedge-shaped, wind-disseminated fruit.

Reproduction
Seeds.